Apparatus for interconnecting battery cells in a battery pack and method thereof

A battery pack for a cordless power tool, comprising:

• a. a housing;
• b. a plurality of battery cells disposed in the housing;
• and
• c. a first laminated plate disposed on a top of the battery cells and a second laminated plate disposed on a bottom of battery cells, each laminated plate including a conductive layer and a non-conductive layer, the conductive layer including a plurality of terminal pads affixed to terminals of the battery cells and a plurality of conductive elements interconnecting the terminal pads to interconnect the battery cells.

A battery pack for a cordless power tool, comprising:

• a. a housing;
• b. a plurality of battery cells disposed in the housing;
• and
• c. a laminated plate disposed on a top of the battery cells and a second laminated plate disposed on a bottom of battery cells, each laminated plate including first, second and third non-conductive layers, a power circuit layer sandwiched between the first and second non-conductive layers and a signal layer sandwiched between the second and third non-conductive layers, the signal layer including a including a plurality of terminal pads affixed to terminals of the battery cells and the power circuit layer including a plurality of conductive elements interconnecting the terminal pads to interconnect the battery cells.